Manufactured Lean in the USA

Rollability Tips

Ergonomic considerations are always top of mind. As the U.S. workforce ages and workmen's compensation costs climb, selecting a caster with high rollability is a smart choice to reduce stress on joints, prevent back injuries, and better accommodate staff. Wheel size is the single biggest factor in rollability. Larger wheels are easier to push or pull under load. Test data is available to determine what size and tread type is best for any given load and ergonomic parameters.

Capacity Selection Tips

Be sure to add the weight of the cart, trailer, or AGV in addition to the weight of the load. Also consider the possibility of overload, shock loading, abuse or poor floor conditions into your calculation. Then it may seem obvious to divide the maximum load weight by four casters, but this can lead to heavy miscalculations. Why? Because most loads don't maintain an even weight across the length and width of the vehicle. An off-center load could overload even the most durable casters.

Shock Loading Tips

Shock loading occurs when a load is dropped onto the trailer. Or when a rig rolls over a bump, like a concrete joint, door jam, dock plate or leveler. In some cases, shock loading can force a wheel to bear more than three times the weight of the load.

Operating Environment Tips

Where is it rolling? Environmental conditions must be considered when choosing a caster or wheel. For example, if excessive noise is an issue, Hamilton offers quiet-rolling wheels with high load capacities. Extremely hot or cold applications may require special caster and wheel materials, and bearing lubricants, to withstand the conditions.

Abuse Tips

Abuse takes a toll on casters. We like to believe that everyone uses them as intended, but we also understand that's not always the reality. Sometimes workers move too quickly, take short cuts, or even take out frustrations on them. Keep this in mind when selecting equipment.

The Effects on Floors

Poor floor conditions can cause a caster or wheel to fail, but don't underestimate the effect wheels can have on floors, too. Very hard wheels, such as cast iron or forged steel, roll easily and carry higher capacities than resilient tread wheels. But, they can damage concrete floors and lead to costly repairs.

Rollability Tips

Ergonomic considerations are always top of mind. As the U.S. workforce ages and workmen's compensation costs climb, selecting a wheel with high rollability is a smart choice to reduce stress on joints, prevent back injuries, and better accommodate staff. Wheel size is the single biggest factor in rollability. Larger wheels are easier to push or pull under load. Test data is available to determine what size and tread type is best for any given load and ergonomic parameters.

Capacity Selection Tips

Be sure to add the weight of the cart, trailer, or AGV in addition to the weight of the load. Also consider the possibility of overload, shock loading, abuse or poor floor conditions into your calculation. Then it may seem obvious to divide the maximum load weight by four wheels, but this can lead to heavy miscalculations. Why? Because most loads don't maintain an even weight across the length and width of the vehicle. An off-center load could overload even the most durable wheels.

Shock Loading Tips

Shock loading occurs when a load is dropped onto the trailer. Or when a rig rolls over a bump, like a concrete joint, door jam, dock plate or leveler. In some cases, shock loading can force a wheel to bear more than three times the weight of the load.

Operating Environment Tips

Where is it rolling? Environmental conditions must be considered when choosing a wheel. For example, if excessive noise is an issue, Hamilton offers quiet-rolling wheels with high load capacities. Extremely hot or cold applications may require special wheel materials, and bearing lubricants, to withstand the conditions.

Abuse Tips

Abuse takes a toll on wheels. We like to believe that everyone uses them as intended, but we also understand that's not always the reality. Sometimes workers move too quickly, take short cuts, or even take out frustrations on them. Keep this in mind when selecting equipment.

The Effect on Floors

Poor floor conditions can cause a wheel to fail, but don't underestimate the effect wheels can have on floors, too. Very hard wheels, such as cast iron or forged steel, roll easily and carry higher capacities than resilient tread wheels. But, they can damage concrete floors and lead to costly repairs.

Dimensions

Features

Ergonomics

Performance

Dimensions

Features

Ergonomics

Series RA

High Performance Rubber on Aluminum Wheels

Capacity Range: 410 – 1,280 lbs.

Hamilton’s newest rubber on aluminum wheel offerings have 1" of black high performing rubber tread permanently bonded to the wheel center (70 Durometer +- 5, Shore A). These premium wheels have the same high tensile strength rubber used in our moldon rubber tired wheels. This means that they are more resilient and roll more easily than most “generic” rubber tired wheels. All wheels shown in the chart feature roller bearings, and are offered in multiple sizes.

Wheel Bearings

Straight Roller Bearings

Traditional anti-friction bearing, best for manual applications where shock loading (but no side thrust) is prevalent.

Hamilton Pronto Shipping

At Hamilton we understand that fast delivery is critical. That's why as you browse our website, you'll notice the proliferation of a red star (★). This PRONTO® Symbol identifies one of thousands of PRONTO® models we stock for you in our warehouse (so you don't have to) and pledge to ship either SAME-DAY, if arrived before noon EST, or otherwise next day service - all for no extra charge.